Microsoft's Next Generation of Databases and Data Lakes — As well as a preview of the next SQL Server, Microsoft has announced a service pack for SQL Server 2016 which introduces a consistent programming model across all editions. Lots of other news too, including a DocumentDB emulator.

Realm: An Object Database for Node.js — Realm is an object database where you simply work with objects as you’re used to and they’re persisted directly. It joins existing versions for Swift, Objective-C, Java, Xamarin, and React Native.